计算:(1)(-3) 2 -(-3) 3 -2 2 +(-2 2 ) (...
计算:(1)(-3)2-(-3)3-22+(-22)(2)3.25-[(-12)-(-52)+(-58)+423](3)(-4)÷(-3)×45÷(-5)(4)(-34)...
计算:(1)(-3) 2 -(-3) 3 -2 2 +(-2 2 ) (2)3.25-[(- 1 2 )-(- 5 2 )+(- 5 8 )+4 2 3 ](3)(-4)÷(-3)×45÷(-5)(4)(- 3 4 )× 3 8 ÷(- 9 16 ) × ( 1 8 ) .
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(1)原式=9-(-27)-4+(-4) =9+27-4-4 =28; (2)原式=3
=3
=3
=3
=-2
(3)原式=(-4)×(-
=-4×
=-12; (4)原式=(-
=
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